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Carole and Ziggy think that Sam might be the favourite out of the two twins.

Carole said to Ziggy as they sat in the living area: "It's funny, most of the guys in here, if they've had a preference, they've preferred Sam."

Viewers might not be able to tell them apart, but the differences are beginning to show for the housemates.

"Sam's actually stripped herself of most of the make-up and most of the girly stuff, and has quite good conversations with most of the people in here," she went on.

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Ziggy agreed: "She's more mature."

Both twins have escaped ever being nominated, and are rumoured to have a pact so that if one gets voted out, the other will walk.

Meanwhile Gerry and Charley have been in the bathroom discussing her behaviour in the house.

"What really is the difference between me, Chanelle and the twins? I know I've been a bit more of a bitch but what else?" asked the 22-year-old.

It's not like Charley to be so understated.